One who gives expert or professional advice.(noun)
One who consults another.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "consultant" in a sentence
"The title consultant brings with it an expectation of certain skills and expertise."
"Q: And I guess, just to go back in time then, I want to just try to understand a little bit the transition from having the title consultant to becoming CEO."
"The site was a soulless place, where the word "consultant" was written on our ID cards instead of journalist, and instead of working for the Sunday Times we now worked for "Tower Hamlets Plant"."