4 and 5 are difficult.
They may be wrong, I'm not great with suffixes in comparison to prefixes, just making some educated guesses. Hope this helps!
Step-by-step explanation:
1. The sun shone brightly in the cloudless sky.
2. The Journalist is a fearless person.
3. The homeless man was offered a room for the night.
4. The graceful ballet dancer was a delight to everyone.
5. The old but active actor has many fans.
6. Some workers will talk with their employer.