The phrase "a candidate to join" is correct and usable in written English.
It can be used when referring to someone who is being considered for membership or participation in a group, organization, or position.
Example: "After reviewing all applications, we have selected Sarah as a candidate to join our board of directors."
Alternatives: "a contender for membership" or "an applicant for inclusion".
Bates became a candidate to join Yashin.
Serbia officially became a candidate to join the European Union in March.
By the time he was a junior, he wanted to present himself as a candidate to join the basketball team.
Mr Mladic's capture is expected to lead later this year to Serbia becoming a candidate to join the European Union.
And it will strengthen the voices of those in the European Union who think Turkey unsuited to be even a candidate to join their club of democrats.
Turkish representatives are at the convention and the EU has told their country it is a candidate to join the club.
Mrs. Byrne, after all, has said she will not make a formal announcement until the fall, when, Mr. Rose said, she might as well send an engraved invitation for a black candidate to join in.
With its new features such as multi-homing, multi-streaming, and enhanced security, the Stream Control Transmission Protocol (SCTP) has become a promising candidate to join UDP and TCP as a general-purpose transport layer protocol.
Indeed, any retailer with a national presence and a strong distribution and warehousing system is a prime candidate to join with e-commerce sites, analysts predict.
Harris, a former attorney general of California, was seen as a likely candidate to join the committee after Sen. Al Franken (D-Minn). announced his resignation late last year.
If Utley and the Phillies do not win the next two games, Utley will be a strong candidate to join Richardson as the only M.V.P. who did not earn a World Series ring on the same day.
