I wouldn't cause anybody any offence knowingly.Getting old and ever out of touch. I think the answer is probably yes to all if that's how they identify. As long as you approach things in good faith and ain't out to cause any offence then hopefully you'd be fine if you came across any of the scenarios.
Just getting bit confused.
No problem with people doing whatever they like in life, in bed or anywhere else as long as they are happy and not harming anybody .