It has lots of common names around the world but Syzygium malaccense will id it specifically. Interestingly, probably the best known of the Syzygiums is S. aromaticum - the clove.

It's actually a fruit tree-Malay Apple, called Otehetie Apple in Jamaica. Syzygium malaccensue.

Why don’t you try asking on the Name that Plant forum, where folks who love doing plant ID hang out. You will want to add your general location and if you know it, your USDA growing zone to help limit the possibilities. The green text is a direct link to that forum.

Definitely a Clivia