(idiomatic) As part of or while performing official duties, usually of the military or police personnel, or of government officials.
Used other than figuratively or idiomatically: see in, the, line, of, duty.
Source: en.wiktionary.orgA grief-stricken Narre Warren police officer, who launched a fundraiser for the families of four cops who died in the line of duty, has helped raise more than $75,000. Source: Internet
' As of 2013 this award has been given to ten Pakistani servicemen who sacrificed their lives in the line of duty. Source: Internet
A year ago, Harris County deputy Sandeep Dhaliwal was killed in the line of duty. Source: Internet
But when she and her family learned about the death of Grand Forks Police officer Cody Holte, who was killed in the line of duty on May 27, her plans changed, her mom, Tonya, said in a Facebook post. Source: Internet
But when someone is acting as public servants conducting police business in the line of duty they cannot revoke their permission to be recorded. Source: Internet
As for showering, in this new pandemic era, more employers will likely be asked to provide showers for workers who get dirty in the line of duty. Source: Internet