Possible Clues:

• Agreeing to study issue with worker
• One of 21, or sometimes 20
• In agreement? Not I, for one
• Non-vowel
• Certainly not a kid, boy soldier
• In agreement? Neither you, we hear, nor I, is
• Both he and she start with one � not I
• Can't get around the North soon with this sort of a letter
• Letter; harmonious chord
• Character studies on busybody