Teknia (a diminutive). It is a term of parental affection. It applies to Christians irrespective of growth. Used in vers. 12.28; chs. 3.7,18; 4.4; 5.21; John 13.33; Gal. 4.19
Parakletos, as 'comforter,' John 14.16,26; 15.26; 16.7. Christ manages all our affairs for us above; the Holy Spirit below. I use 'patron' in the sense rather of the Roman patron, who maintained the interests of his clients in every way. So Christ on high; the Spirit here for saints.