1 Corinthians 4:18

4:18 Some have become arrogant, ¹  as if I were not coming to you.

1 Corinthians 10:10

10:10 And do not complain, as some of them did, and were killed by the destroying angel. ² 

[4:18]  ¹ tn Grk “puffed up”; “inflated.”

[10:10]  ² tn Grk “by the destroyer.” BDAG 703 s.v. ὀλοθρευτῆς mentions the corresponding OT references and notes, “the one meant is the destroying angel as the one who carries out the divine sentence of punishment, or perh. Satan.”