For someone (actor -um-; s actor maN-) to defeat, someone (patient -on), as in war, a game, in gambling, excellency of work, talking, decision of law (inst paN-).
Umameh nan nala'eng an humāpit.
The expert talker will defeat (others).
For something as words, one's skill (actor -um- & inst) to defeat someone (patient), as described above.