represent oneself

"Do NOT identify oneself orally or in writing," it read, "as a part of the Republican party. It is more than OK to represent oneself as just a citizen."

The judge warned Atkins that, in his opinion, it was almost always unwise to represent oneself.

Judge Frederick Lauten warned Loyd that it’s almost always unwise to represent oneself, and said Loyd would have only limited legal resources available while awaiting his trial in jail on no bond.

Judge Frederick Lauten warned Loyd that it’s almost always unwise to represent oneself, and said Loyd would have only limited legal resources available while awaiting his trial in jail on no bond.

When did it become acceptable to represent oneself one way to primary voters and become another person in appealing to general election voters?