observer, bystander, onlooker, spectator, eyewitness, viewer, beholder, watcher, testifier, deponent, attester, perceiver, looker-on, witnesser, seer
promoting a claim - supporting a claim - endorsing a claim - championing a claim - backing a claim - arguing for a claim - defending a claim - upholding a claim - pushing a claim - advancing a claim - asserting a claim - pressing a claim - lobbying for a claim - making a case for a claim - standing up for a claim - pleading a claim - recommending a claim - urging a claim - vouching for a claim - campaigning for a claim - espousing a claim - favoring a claim - justifying a claim - maintaining a claim - proposing a claim - standing by a claim
Advocating a claim refers to the act of supporting or arguing in favor of a particular claim or assertion, often in a legal context. It typically involves presenting evidence, making logical arguments, and persuading others of the validity of the claim. This process is common in legal disputes, where lawyers advocate on behalf of their clients' claims in court, but it can also occur in other settings where one needs to back up a particular standpoint or viewpoint.