- 当事人 dāngshìrén person concernedA person or party involved in or directly related to an affair; an interested party.
- 当事者 dāngshìzhě person concernedThe person or people involved in or directly related to a specific matter; those at the center of an event.
- 当事国 dāngshìguó countries involvedthe countries or states directly involved or concerned in a particular matter
- 不当事 bùdāngshì uselessto be of no use or consequence
- 诉讼当事人 sùsòngdāngshìrén litiganta person or party involved in a lawsuit