[Welsh]

Something like:

Код:

public OnPlayerDeath(playerid, killerid, reason)
{
             SetPlayerTeam(playerid, TEAM_ZOMBIE);? (Or what ever team zombie is called for you).
	return 1;
}

And as for /human try:

Код:

public OnPlayerCommandText(playerid, cmdtext[])
{
	if (strcmp("/human", cmdtext, true, 10) == 0)
	{
              SetPlayerTeam(playerid, TEAM_HUMAN); (Or what ever team humam is called for you).      
 	 return 1;
	}
             return 0;
}

I'm kinda new to scripting but just try it, hopefuly it will do what you wan't, depending on if you have teams...
Sorry if its wrong.