The Aoghairean of the Hebrides, Scotland, according to Thomas Pennant, were farm servants who have the charge of cultivating a certain portion of land, and of overseeing the cattle it supports. They have grass for two milch cows and six sheep, and also have one tenth sheaf of the produce of the said ground, and as many potatoes as they choose to plant.
The term is plural; its singular form it would be aoghair.