I need more of a specific question to answer
Mexico- Mexicanos/Mexicanas
Costa rica- costarricense
Puerto rico- puertorriqueño
Chile- chileno/chilena
Peru- peruano/peruana
Republica Dominicana- dominicano/dominicana
Mía
suyo
tuya
mío
tuyo
suyos
suya
vuestros
suya