The arrest of Mr. Kueng, whose mother is white and whose father was from Nigeria, has brought anguish to his friends and family. 

anguish 激しい怒り

. In an interview, she said that as a black man, her brother should have intervened. 

干渉する　intervene

Joni Kueng, 56, likes to say that the Kuengs are a family of doers, not talkers.

doers 実行する人

https://www.nytimes.com/2020/06/27/us/minneapolis-police-officer-kueng.html