1) Why are they fighting (each other)?
2) They are fighting (each other) for her love. Zidhgebzhail
1) zilt kwung Ozglaen-ud
z-il-t kw-ung Ø-Ozglae-n-ud3-ERG-DL.M.TOP Q-CAUSATIVE.SG.M.FOC PRS-struggle-SIMPLE-REFLEXIVE
Why are they (two men) struggling with/against one-another?
2) zilt shaamunga-zaera Ozglaen-ud
z-il-t shaam-ong-a-z-ae-ra Ø-Ozglae-n-ud3-ERG-DL.M.TOP love-BENEFACTIVE-SG.F-3-GEN-SG.F.FOC PRS-struggle-SIMPLE-REFLEXIVE
They (two men) are struggling with/against one-another for her love. (i.e. to win it, 'love' in the causative would imply that her love has made them fight.)