NASALI v. ADDY Customary law—Stool land—Alienation by sub-stool—Paramount stool adjudged by Privy Council to be owners and sub-stool caretakers of land—Grant by sub-stool to N an alien without paramount stool's consent—Subsequent grant of same land by paramount stool to M—Claim by sub-stool to be usufructuary owners not sustainable—Fact that N alien irrelevant—Whether grant to N valid.