en_tn/tit/03/04.md

(Paul continues to explain why he told Titus that we should teach with humility.)

when the kindness of God our Savior and his love towards mankind appeared

This could be translated as "when God our Savior displayed his love and kindness to people."

toward mankind

toward mankind- "for humans"

saved us through

"saved us by means of" or "saved us by"

washing of new birth

This could be translated as "making us inside by our spiritual new birth."

renewal

"being made new." This could be translated as "the Holy Spirit made us new" or "The Holy Spirit made us new people."

because of works which we have done in righteousness

"because we do good things" (DUB)

according to

"in the same measure as"