At the appeal of the gods and the sages, Vishnu assures them that he shall take an incarnation as a mortal, as the arrogant Rakshasa had never sought protection from men (or apes).
This passage describes a situation where Vishnu, a Hindu deity, is asked to intervene in a conflict by the gods and sages. He agrees to take on a mortal form because the antagonist, the Rakshasa, has not sought protection from humans or primates.