Feudal royal regent The title of Lord Protector was originally used by royal princes or other nobles exercising an individual regency -LRB- i.e. , not merely member of a collegial regency council -RRB- while the MISC@1 monarch was still a minor or otherwise unable to rule .

The title of Lord Protector was first used by royal princes or other nobles who ruled while the MISC@1 monarch was still too young to rule or was not able to rule for some other reason .
