en_tn/pro/18/11.md

The wealth of the rich is his fortified city

This speaks of a rich person depending on his wealth as if his wealth were a fortified wall that protects him. Alternate translation: "The wealthy person depends on his wealth as a city depends on its fortified wall" (See: rc://en/ta/man/translate/figs-metaphor)

the rich

This refers to people who are rich. Alternate translation: "the rich person" (See: rc://en/ta/man/translate/figs-nominaladj)

fortified city

a city with strong defenses like walls and towers

in his imagination it is like a high wall

This speaks of the rich person believing his wealth will keep him safe like a high wall keeps those inside a city safe. Alternate translation: "he thinks it protects him as well as a high wall" (See: rc://en/ta/man/translate/figs-simile)