Surah 3:52 but when Jesus felt persistence in disbelief from them he said, “who are my supporters for the cause of Allah?” The disciples said, "we are supporters for Allah. We have believed in Allah and testify that we are Muslims.
Surah 5:111 And remember when I inspired to the disciples, “believe in me and my messenger Jesus.” They said, “we have believed, so bear witness that indeed we are Muslims.”
Surah 61:14 O you who have believed, be supporters of Allah, as when Jesus, the son of Mary said to the disciples, “Who are my supporters for Allah?” The disciples said, “We are supporters of Allah.” And a faction of the children of Israel believed and a faction disbelieved. So we supported those who believed against their enemy, and they became dominant