You are only considered to have homosexual tendencies if you have sexual attraction to a man if you are a man or to a woman if you are a woman. Some people are born with such tendencies but if they never acted it out so they make sure they suppress such behaviors and live a heterosexual(not gay) life. They get married to the opposite sex or have sex with the opposite sex and live their life as a heterosexual only. They have suppress or even denial the attraction through prayers and delivered by God, religion, mediation.
If you have sex or deep intimate activities purposefully with same sex as you are, you are officially an homosexual.
Bisexual is someone who is sleep with both man and women, they are considered bi- meaning two. They have sexual attraction in both male and female. They have homosexual tendencies and decided to have sex with the same sex despite having sex or intimate relations with the opposite sex.
Transgender is a person born a man or woman transitioning into the opposite sex through surgery or taking hormones. Bob risky is an example. Cross dresser is a simply a man dressing as woman or a woman dressing as a man. Since women often wear men clothes , women are not considered as cross dresser as men.

a man is raped by another man is not considered homosexual. e.g in prison male inmates get raped against male inmates, such men are not consider homosexual because it was against their will. The gray line is a man/woman who was drunk and so intoxicated with drugs and had sex with the same sex or a man deceived into have sex by another man pretending to be a woman or vice versa.

In prison, an inmate is raped by another male inmate is not considered gay because He was raped against his will. Rape in prison happen in the United States. Some inmates go into depression after being raped and get sucidal