Kept from danger
rescued, released, delivered, protected, defended, guarded, safeguarded, preserved, salvaged, reclaimed, regenerated, cured, healed, conserved, maintained, safe, secure, freed, free from harm, free from danger, unthreatened.
Antonyms ruined*, lost, destroyed.
Not spent
kept, unspent, unused, untouched, accumulated, deposited, retained, laid away, hoarded, invested, husbanded, amassed, stored, spared.
Antonyms wasted*, squandered, spent.