His lascivious habits brought him nothing but bad name.

Answer: Option C

Treacherous : guilty of or involving betrayal or deception.
Erotic : relating to or tending to arouse sexual desire or excitement.
Lustful : having or showing strong feelings of sexual desire.
Vicious : deliberately cruel or violent.
Lascivious : feeling or revealing an overt sexual interest or desire.

Synonym of Lascivious is Lustful