Jude 1:21

Keep yourselves

(εαυτους τηρησατε). First aorist active imperative (of urgency) of τηρεω. In verse Jude 1:1 they are said to be kept, but note the warning in verse Jude 1:5 from the angels who did not keep their dominion. See also James 1:27. In Philippians 2:12 both sides (human responsibility and divine sovereignty are presented side by side).Looking for

(προσδεχομενο). Present middle participle of προσδεχομα, the very form in Titus 2:13. The same idea in προσδοκωντες in 2 Peter 3:14.