>>507821398 (OP)erb
prostitute (third-person singular simple present prostitutes, present participle prostituting, simple past and past participle prostituted)
(transitive, reflexive) To offer (oneself or someone else) for sexual activity in exchange for money. [from 16th c.]
(transitive, derogatory) To sacrifice (oneself, one's talents etc.) in return for profit or other advantage; to exploit for base purposes.
yes. offering oneself, simple enough. for sexual activity. she's sexually posing, and the watcher is sexually gratifying themselves. simple as.