'Shepherds' in the Bible

And Abram saith unto Lot, 'Let there not, I pray thee, be strife between me and thee, and between my shepherds and thy shepherds, for we are men -- brethren.

and shepherds of Gerar strive with shepherds of Isaac, saying, 'The water is ours;' and he calleth the name of the well 'Strife,' because they have striven habitually with him;