The same as 'acher; Acher, an Israelite -- Aher.
see HEBREW 'acher
H313. Acher
II. אַחֵר proper name, masculine 1 Chronicles 7:12 (identity & meaning quite dubious; Be thinks = אַחֵר
adjective another, to avoid naming Dan (compare Genesis 46:23; Numbers 26:42) on account of the narrative Judges 17f. Öttli identifies with שַׁחֲרַיִם Judges 17f 8:8>).