For two (actor or agent muɴ- & theme) to meet.
Nun'ah'up amih nan dolan Daplah ta un ami munhahāpit.
We met at Daplah's house to talk together.
Mun'a'ah'up: focus is on more than two who meet.
For someone (actor or agent -um- & theme; s actor or s agent maN- & theme) to come upon or meet someone or something (loc ref -an), especially of someone or something one is not looking for, as to come upon lost money, to overtake someone on a trail.
Ah'ūpan Aligūyun hi Bāyaw ad Dāli' hi mā'et ti hiyah ne algaw hi umaliāna.
Aligūyun will meet Bāyaw at Dalican tomorrow because that's the day he (Bāyaw) is coming.