Somewhat abundantly (perissoteron ti). Comparative, “somewhat more abundantly” than I have, in order to show that he is as true a minister of Christ as his accusers are. Concessive (conditional) clause of third class. For ean te see note on Rom 14:8.
I shall not be put to shame (ouk aischunthēsomai). As a convicted impostor or pretentious boaster (Plummer). First future passive, singular number (not literary plural as in 2Co 10:7).