np

dig downwards, and get far enough for the creeper to despawn, unless it has a name tag.

yeah

If you have knockback, you might be able to yeet the creeper far enough to not damage the base.
If you don't, try to equip something that deals a lot of damage, like an axe or sharpness sword to kill it before it detonates

Me: Oooh that's a lot of diamonds eh! garhgarhgarhgarh can I have some diamonds, diamonds, diamonds?

Glow Lichen: Exists

Me:🚢🚢🚢🚢🚢🚢🚢🚢 WHAT THE BARNACLES. OH NO ME HEART STOPPED HGMGDHAGDWHFD I'M F[^^vv<><>BA] DYING.