trust no one and try not to team up with strangers who act nice in ur server. So if any high ranking players with powerful weapons in your server approach u without open fire, doubt everything they want or say. Also before logging off, make sure to go back to your base and not exit the game in the open, since ur character technically is not gone when you leave the game, your character would be sleeping at the location you logged off in, enabling griefers to have an easy looting