Refers to someone who lives together with another person.
A pesar de que los convivas tienen diferentes orígenes, todos comparten una misma visión del futuro.
Although the cohabitants come from different backgrounds, they all share a common vision for the future.
El conviva que eligió para compartir su vida es una persona extraordinaria y única.
The cohabitant he chose to share his life with is an extraordinary and unique person.