There are fundamental differences between gay and trans
Gay and transgender are two distinct aspects of human sexuality and gender identity. Being gay refers to a person's sexual orientation, specifically when someone is attracted to individuals of the same sex. On the other hand, being transgender refers to a person's gender identity, which may not align with the sex they were assigned at birth. Transgender is a term used to describe people whose gender identity differs from the sex they were assigned at birth. For some people, their gender identity does not fit neatly into those two choices. 
Answers to your questions about transgender people, gender
transgender | gay | As adjectives the difference between transgender and gay is that transgender is having a gender identity (self-image) which is the opposite of one's physical sex: being physically male but identifying as female, or vice versa. Compare transsexual, and the following sense while gay is happy, joyful, and lively. Gay and transgender are two distinct aspects of human sexuality and gender identity. Being gay refers to a person's sexual orientation, specifically when someone is attracted to individuals of the same sex.
Why are trans people part of LGBT?
Transgender is an umbrella term used to describe people whose gender identity (sense of themselves as male or female) or gender expression differs from socially constructed norms associated with their birth sex. This includes androgynous, bigendered and gender queer people, who tend to see traditional concepts of gender as restrictive. For the remainder of this chapter, references to gay, lesbian and bisexual adults exclude those who are transgender. Transgender adults are of any sexual orientation. Identities
The terms transgender, transsexual, and transvestite are often used interchangeably, but they refer to distinct identities and experiences within the LGBTI+ (Lesbian, Gay, Bisexual, Transgender, Intersex +) spectrum. Understanding the differences can promote respect and inclusivity. Communities of diverse sexualities and genders have existed throughout history, whether out or hidden away. As these communities grow and talk about each other or are talked about by others , labels tend to be created that express commonality and difference. 
Gay vs. Transgender
Is trans a sexuality? While lesbian, gay and bisexual are sexualities, trans is a description of gender instead. Trans people can be straight, gay, bisexual, lesbian, queer, or any other sexuality, just like cis people can. Androsexual A person who is emotionally, romantically or sexually attracted to masculinity or people with masculine traits regardless of their own, or the other person's gender identity. Bisexual A person emotionally, romantically or sexually attracted to more than one sex, gender or gender identity though not necessarily simultaneously, in the same way or to the same degree.
Homosexuality and transgender
For the remainder of this chapter, references to gay, lesbian and bisexual adults exclude those who are transgender. Transgender adults are of any sexual orientation. Queer adults are included in the total and in the gay or lesbian, bisexual, and trans totals if they indicated they also identify with these terms. . Transgender FAQ
We use the acronym LGBTQ to describe the lesbian, gay, bisexual, transgender, queer community. The Q can also sometimes mean questioning. Sexual orientation describes a person’s enduring physical, romantic, and/or emotional attraction to another person (for example: straight, gay, lesbian, bisexual), while gender identity describes a person’s, internal, personal sense of being a man or a. . 
Transgender vs Gay
In his contribution, Mr Smith argues that there are parallels between being gay as an identity, and being transgender as an identity, and that in both cases, this should be the basis for. .