Guest
Part of speech: noun
Definition: a recipient of hospitality, specifically someone staying by invitation at the house of another a patron or customer in a hotel etc. an invited visitor or performer to an institution or to a broadcast
Part of speech: verb
Definition: to appear as a guest, especially on a broadcast as a musician, to play as a guest, providing an instrument that a band/orchestra does not normally have in it's line up (for instance, percussion in a string band
Example sentence: A gloomy guest fits not a wedding feast.
Client
Part of speech: noun
Definition: A customer a buyer or receiver of goods or services.The role of a computer application or system that requests and/or consumes the services provided by another having the role of server.Person who receives help or advice from a professional person (ex. a lawyer, an accountant, a social worker, a psychiatrist, etc).
Example sentence: A lawyer wants to get his client off the hook. And even if he knows the client is guilty, he is going to find ways and means of getting him off the hook.