STEP Hebrew Lexicon: גָּרָה

1) to cause strife, stir up, contend, meddle, strive, be stirred up

1a) (Piel) to stir up strife, excite strife

1b)(Hithpael)

1b1) to excite oneself against, engage in strife

1b2) to excite oneself (against foe), wage war