magsabi

English: Translation
To speak, say, or tell; to be the person who is expected, able, permitted, or about to communicate something.
verb
Language and Communication
Yamada
Language & Communication
Notes

magsabi

magsabi v., actor-oriented; prospective/modal
mag- + sabi

Sira a magsabi.
“They are the ones who can or will tell.”

The form may express intention, ability, expectation, responsibility, or prospective action rather than simple future tense alone.