In generalizing, liars may also use 'his' and' her 'more than a truth-teller, who will use the names of people in the story more often.

概而言之，说谎者会更多的使用第三人称“他”和“她”，说真话者则多使用故事里出现的人名。

youdao

At various times your True North Group will function as a nurturer, a grounding rod, a truth teller, and a mirror.

FORBES: Bill George On Creating Your Own True North Group

Like all gossip merchants, Denton fancies himself a truth-teller who relishes flouting the conventions of good taste and privilege.

NEWYORKER: Search and Destroy

It confirmed voter suspicion that she is not a reliable truth teller.

FORBES: Magazine Article