User is in team
$user_team = array( 'relation' => 'OR', array( 'key' => 'team_captain', 'value' => 'omid', ), array( 'key' => 'team_player', 'value' => 'omid', ), );
$user_team = array( 'relation' => 'OR', array( 'key' => 'team_captain', 'value' => 'omid', ), array( 'key' => 'team_player', 'value' => 'omid', ), );