Strong G5442I φυλάσσω phulassō · to keep/guard: protect

Luke

1. Luke 2:8
   And there were in the same country shepherds abiding in the field, keeping watch over their flock by night.
2. Luke 12:15
   And he said unto them, Take heed, and beware of covetousness: for a man’s life consisteth not in the abundance of the things which he possesseth.