Translation of "Ajenas" in English

No se meta en vidas ajenas.

Don't meddle in other people's affairs.

Esto funciona para resolver dobles ataduras ajenas.

This really works to solve another double bind.

Esa clase de conductas me son ajenas.

That kind of behavior has nothing to do with me.

No figuras de cartón plantadas en el fondo de vidas ajenas.

Not cardboard cutouts that stood in the background of someone else's.