Question

what are some word that describe people in spanish

Answer 1

There are a huge number of adjectives that can describe people, just as there are in English.

examples: joven, viejo, rico, pobre, perezozo, agradable, gordo
Some have word endings that depend upon gender and singular/plural

What quality do you want to describe?

Answer 2

There you have examples. Be sure the adjective(s) agree in number (singular/plural) and gender (masculine/feminine) with the noun(s) modified!

Sra