1 Korintus 9:23

9:23 I do all these things because of the gospel, so that I can be a participant in it.

1 Korintus 9:2

9:2 If I am not an apostle to others, at least I am to you, for you are the confirming sign ¹  of my apostleship in the Lord.

Kolose 4:5

4:5 Conduct yourselves ²  with wisdom toward outsiders, making the most of the opportunities.

[9:2]  ¹ tn Grk “the seal.”

[4:5]  ² tn Grk “walk.” The verb περιπατέω (peripatew) is a common NT idiom for one’s lifestyle, behavior, or manner of conduct (L&N 41.11).