Write a formal polite and friendly email with a subject of the email requesting Mr Manyike to look at your resume and let you for open vacancies, Mr Manyike is someone who you were referred to him by your brother and they meet at his work place.

Subject: Request for Assistance With Open Vacancy Dear Mr. Manyike, I hope this email finds you well. My brother mentioned that he recently met you at his work. He spoke to me about you and, based on his recommendation, I am writing to ask you if you could kindly take a look at my resume and let me know if there are any open vacancies I may be suitable for. Your time and help would be greatly appreciated. I am attaching my resume and look forward to hearing from you soon. Sincerely, [Your Name]