a reference to someone who cares only for himself

self, own

my, mine, our, ours, one's

own, self, of or belonging to self

to each one his own, respective, personal, individual

Abandon your baby

to be keen each after his own interests or affairs

repute depends upon one's actions

allusion to a situation in which everyone is caring for their own interest

looking at the heel (spoken on an occasion when wishing to forestall or remove the effect of evil eye or black magic)

dig one's own grave, deliberately doing something resulting in your own loss

hurt oneself unwittingly, be one's own enemy, injure or damage oneself, cut one's own throat, dig one's own grave