noun
Refers to something one must carry or deal with, such as a financial cost, duty, or mental weight. Often used in contexts of sharing or reducing the burden.
その費用は彼にとって大きな負担になった。
The expense became a heavy burden for him.
noun, noun or participle which takes 'suru', transitive verb
The act of taking on a cost, responsibility, or risk. Commonly used with する to mean 'to bear' or 'to shoulder'.
会社が医療費の一部を負担する。
The company bears part of the medical expenses.