unburden
1. [ verb ] free or relieve (someone) of a burden
Related terms: take
2. [ verb ] take the burden off; remove the burden from
Synonyms: disburden
Examples:

"unburden the donkey"

Related terms: burden remove
Similar spelling:   unburdened
  unabridged
  unburned
  unburied
  unfurrowed
  unburnished