The third house is of self efforts and the tenth house is of the profession, so the placement of the 3rd House Lord In 10th House indicates that the native will achieve success in his profession through his efforts. This means that the native will work hard in his professional life. The native will do his own business or his work. The native gets success in his profession either on his own or by his own efforts. The third house is related to communication, so the placement of the third house lord in the tenth house indicates that the native may work in a profession related to communication.