I only use Zoom on an android tablet. I get the link to join (my husband and I have different meetings) in an email sent to different email accounts. So I don't think our situation is anything like yours.
If you are using it on a computer, this page may help to sign out one account and sign in with another
https://support.zoom.us/hc/en-us/articles/201362383-Signing-out-and-switching-between-accounts
If you are using it on a computer, this page may help to sign out one account and sign in with another
https://support.zoom.us/hc/en-us/articles/201362383-Signing-out-and-switching-between-accounts