chamberlain omen perfidious prowess retinue

chamberlain

/ˈtʃeɪmbələn, ˈtʃeɪmbəlɪn $ -bər-/ noun [countable]

an important official who managed the house of a king or queen in the past

omen

/ˈəʊmən $ ˈoʊ-/ noun [countable]

a sign of what will happen in the future:

• The car won't start. Do you think it's an omen?

a good/bad/ill omen

• The mist seemed like a bad omen adn Sara's heart sank a little.

omen of

• He will regard your presence as omen of good fortune.

omen for

• It's a good omen for the future.

perfidious

per·fid·i·ous /pəˈfɪdiəs $ pər-/adjective literary

someone who is perfidious is not loyal and cannot be trusted.

prowess

prow·ess /ˈpraʊəs, ˈpraʊɪs/ noun [uncountable]

formal great skill at doing something:

• his physical prowess
• military prowess

retinue

ret·i·nue /ˈretɪnjuː $ -nuː/ noun [countable]

a group of people who travel with someone important to help and support them

retinue of

• He travelled with a huge retinue of servants.

Reference

• Longman Dictionary of Contemporary English