on right click on player:
    execute player command "/player %clicked player%"
    stop

command /player [<player>]:
    trigger:
        if arg 1 is not set:
            send "&a<><><> &c%player% &a<><><><>"
            if player has permission "playerinfo.owner":
                send "&aRanga: &9Wlasciciel"
                stop
            if player has permission "playerinfo.gracz":
                send "&aRanga: &9Gracz"
                stop
        if arg 1 is set:
            send "&a<><><> &c%arg 1% &a<><><><>"
            if player-arg has permission "playerinfo.owner":
                send "&aRanga: &9Wlasciciel"
                stop
            if player-arg has permission "playerinfo.gracz":
                send "&aRanga: &9Gracz"
                stop