en_tn/mat/24/30.md

the Son of Man ... He ... his

Jesus is speaking about himself in the third person. (See: rc://en/ta/man/translate/figs-123person)

all the tribes

Here "tribes" refers to people. AT: "all the people of the tribes" or "all the people" (See: rc://en/ta/man/translate/figs-metonymy)

He will send his angels with a great sound of a trumpet

"When the trumpet sounds, he will send his angels" or "When an angel blows the trumpet, he will send his angels"

they will gather

"his angels will gather"

his elect

These are the people whom the Son of Man has chosen.

from the four winds, from one end of the sky to the other

Both of these mean the same thing. They are idioms that mean "from everywhere." AT: "from all over the world" (See: rc://en/ta/man/translate/figs-parallelism and rc://en/ta/man/translate/figs-idiom)