A fake sanyasi. The Kathasaritasagara has an example.

Makandi was a town on the banks of the Ganga, and there lived a bhikshu (mendicant) who maintained a vow of silence. Once, when he set out for begging, he saw a maiden in a trader’s house. He was infatuated with her, but said “Pity’ and came back. The trader, who was standing nearby asked him why he had broken his vow of silence. The bhikshu said that the man’s daughter was accursed and if she ever got married, that would kill her parents and siblings. He said it was better to lock her up in a trunk and float it away on the Ganga with a flame on top. The trader agreed. The bhikshu went back to his hermitage and asked his disciples to watch the river for a trunk with a flame and bring it to him unopened. They watched the river but upstream, a prince came upon the trunk and replaced the maiden with a large monkey. The disciples brought him the trunk and he said there was a ceremony to be done in private before it was opened. He took the box inside and lustily opened it, only to be attacked viciously by the monkey as per Kathasaritasagara Lavanakalambaka Taranga 1.