שָׂרַד
From LSJ
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
a primitive root; properly, to puncture (compare שֶׂ֫רֶד), i.e. (figuratively through the idea of slipping out) to escape or survive: remain.