en_tn/rev/03/17.md

most miserable, pitiable, poor, blind and naked

These terms refer to a person who is in very bad spiritual condition, but does not know they their situation is so bad. (See: rc://en/ta/man/translate/figs-metaphor)

become rich

This refers to becoming spiritually clean and having a good relationship with God. (See: rc://en/ta/man/translate/figs-metaphor)

brilliant white garments

White garments represent spiritual purity. (See: rc://en/ta/man/translate/figs-metaphor)