He is a conscientious person who consistently invests a lot of time, effort, and energy in his work or goals. He is tenacious and possesses a strong work ethic. Who is prepared to take on challenges head-on in order to achieve their objectives? knowledgeable realtor who helps buyers find and buy a new home or place of business. Assist clients in buying and selling houses; additionally, help them negotiate the best price when selling their property.