The phrase "as another candidate" is correct and usable in written English.
It can be used when comparing or referring to an alternative individual in a similar context, such as in job applications or discussions about options.
Example: "I believe I would be a strong fit for this position, as another candidate has similar qualifications and experience."
Alternatives: "like another applicant" or "as an alternative contender".
And his son, Ronald Rice Jr., is running for councilman in Newark's West Ward on the same ticket as another candidate for mayor, Cory Booker.
Canada, another country which relies heavily on commodity exports, has been considered by some analysts as another candidate for a near-term interest rate increase.
Mr. Weiner's proposal comes as another candidate, Bill de Blasio, has surged to the front of the Democratic field while pushing a plan to raise taxes on high earners to pay for the expansion of prekindergarten and after-school programs.
Enterprise Inns, tipped last week as another candidate to tap investors for money, dropped 11.2p to 132.4p despite Credit Suisse saying after a meeting with management that a rights issue was not being considered.
No wonder the Bush-Cheney campaign, which has announced a strategy of depicting Democrats as carping pessimists and naysayers, is reported to be unhappy with the prospect of Edwards winding up on the ticket, even as another candidate's running mate.
Mark that down as another Candidate Obama flop from which President Obama has flipped.
Finally Celine allowed this, along with her beloved Bavaria wit, as: "another possible candidate for the alcoholic ringer".
One Republican senator running for president, Florida's Marco Rubio, has condemned Trump's comments, as has another candidate, former Florida Gov. Jeb Bush.
He was still searching for another candidate as recently as late November when he bumped into someone who worked for Mitt Romney.
As the battle lines are tightly drawn, Vermonters will be hearing from another candidate as well: this writer, who is running on the Progressive Party ticket for attorney general.
Since staging The Coral Reef, Nelson has been promoted as a star, as yet another candidate for the role of post-YBA big-name artist.
