巣食う

すくうsukuu

godan verb · intransitive

1. to build a nest
2. to nest
3. to hang out (of a bad group)
4. to be based (in)
5. to haunt
6. to lodge (in one's mind; of an evil thought, delusion, etc.)
7. to be planted
8. to luck (in one's heart)

Study it in Yanamino