What does Sultan mean?
From Arabic 'sultan', originally an abstract noun meaning 'strength, authority, rulership' (from 'sulta', power/authority), later a sovereign's title. Note: 'ruler/authority', and distinct from 'malik' (king) proper.
What does Saif mean?
From sayf (س-ي-ف), meaning 'sword'. Often appears in the compound Sayf Allah ('Sword of God'), a title given to Khalid ibn al-Walid. Also spelled Sayf or Seif.