רִיבּ רוּב
riyb (reeb) (or ruwb {roob}) v.
1. (properly) to toss, i.e. grapple
2. (mostly figuratively) to wrangle, i.e. hold a controversy
3. (by implication) to defend
[a primitive root]
KJV: adversary, chide, complain, contend, debate, X ever, X lay wait, plead, rebuke, strive, X thoroughly.