Noun
helmsperson (plural helmspersons or helmspeople)
(uncommon) A helmsman or helmswoman.
An uncontrolled jibe can happen suddenly by itself when sailing downwind if the helmsperson is not paying attention to the wind direction and can be very dangerous as the main boom will sweep across the cockpit very quickly and with great force. Source: Internet
The latter is a direct order to the helmsperson to push the tiller hard to the leeward side of the boat making the bow of the boat come up and quickly turn through the eye of the wind to prevent the boat being caught in irons. Source: Internet
Just before tacking the command "Ready about" is given, at which point the crew must man the sheet lines which need to be changed over to the other tack and the helmsperson gets ready. Source: Internet
If weather helm builds further, it can limit the ability of the helmsperson to steer the boat, which can be turned towards but not effectively away from the wind. Source: Internet
Lee helm, the opposite of weather helm, is generally considered to be dangerous because the vessel turns away from the wind when the helm is released, thus increasing forces on the sail at a time when the helmsperson is not in control. Source: Internet