Anabayan = If the horoscope of a person, at the time of birth, has Suba Gragams at the 12th place from Moon, he is said to have Anaba Yogam. Such person is called Anabayan. (Ref-: Vidhana Malai). He will live long healthily, and will achieve anything where others fail.
Anabayan - if it is the name for a king - it means people can be with fear in his rule - which means he is a good great efficient king who keeps his subjects away from wars and tyrant rules. (please correct me if im wrong)
Cologne Digital Sanskrit Lexicon: Search Results 1 anapAya mfn. without obstacles , prosperous ; m. freedom from mischief ; (in phil.) the state of not being abridged or deprived of (abl.) ; N. of S3iva.