[Incessant], without ceasing, continual.
[Occupation], employment, work.
[His relative the king of that part of Scotland]: the royal families of Ireland and Scotland were related to each other (see pp. [5] and [6]), and Columkille was related to both.
[Voluntary], by his own choice.
[Ben Edar], Howth, near Dublin.
[Embarking], going on board ship.
[Seniors], elderly persons.
[Hospice], the part of a monastery set apart for the entertainment of travellers.