burden
bur-den
verb
To cause someone to carry a heavy load or difficult responsibility.
"Please don't burden me with your worries."
noun
A heavy load, responsibility, or difficulty causing worry or stress.
"The financial burden weighed heavily on him."
Thesaurus
Synonyms: charge, saddle, effect, essence, gist, core, incumbrance, encumbrance, load, onus, burthen, weight