Caretaker is one of the Achievements in Aniphon, and requires you to raise an Aniphon's Affection level. It is possible to earn the Platinum level Achievement before earning the Gold level one.
Requirements
Bronze
Improve an Aniphon's affection to level 1. Awards 1 point.
Silver
Improve an Aniphon's affection to level 2. Awards 4 points.
Gold
Improve an Aniphon's affection to level 3. Awards 9 points.
Platinum
Get 10 Aniphon to at least level 2 affection at the same time. Awards 16 points.
Diamond
Get 10 Aniphon to level 3 affection at the same time. Awards 25 points.