Trez is a big-bodied person with cybernetic arms that permit him to carry a load ten times heavier than a traditional human.
He idolized Djin (Uno) greatly right after he saved him from staying tormented by Komeng. https://kathrynsvfq370715.wikihearsay.com/2783324/the_fact_about_mama_ejen_ali_that_no_one_is_suggesting