CORRECT OR INCORRECT
Lumawen is the main character in the story.
CORRECT
Lumawen, an umalohokan and a kali instructure, (train / trains) the townspeople.
trains
A phrase or clause between subject and verb does not change the number of the subject.
Either the men or the child (learn / learns) kali first.
learns
CORRECT OR INCORRECT
The natives gathers near the sea to sell their products.
INCORRECT
There (was /were) a native whose courage set an example to his fellowmen.
Inverted subjects must agree with the verb.
Neither the law nor the problems (make / makes) the people angry.
make
James are the captain ball of the team.
Neither the datu nor Lumawen (like / likes) conflict.
likes
If the compound subjects joined by or or nor are both singular, the -s form of the verb is used. If the subjects are both plural, then the base form of the verb is used.
The group of men (agree / agrees) that they need to learn kali.
agrees
In this sentence, the group does the action as one, so a singular verb is used.