There have been a few similar questions asked here in the past. Although there's certainly more room for another answer, you may be interested in some of these previous answers:

https://www.reddit.com/r/AskHistorians/comments/1cskcj/were_roman_gladiators_used_as_prostitutes_for/

https://www.reddit.com/r/AskHistorians/comments/34jhtv/would_romans_have_sex_with_their_slaves_and_if_do/

https://www.reddit.com/r/AskHistorians/comments/1umrd2/did_wealthynoble_romans_do_private_things_infront/