en_tn/act/20/21.md

about repentance toward God and of faith in our Lord Jesus

The abstract nouns "repentance" and "faith" can be stated as verbs. Alternate translation: "that they need to repent before God and believe in our Lord Jesus Christ" (See: rc://en/ta/man/jit/figs-abstractnouns)

our Lord Jesus

The word "our" refers to Paul and the elders to whom he is speaking. (See: rc://en/ta/man/jit/figs-exclusive)