And as one who calls (all humankind and jinn) to God by His leave, and a light-diffusing lamp (enlightening minds and hearts, and showing the way to those who follow that light)
O’ Prophet, I have sent you to invite the people toward the Lord, with His permission [the wicked people are already deprived of such an opportunity] and serve as a guiding beacon
Faridul Haque
And as a caller towards Allah, by His command, and as a sun that enlightens. (The Holy Prophet is a light from Allah.
Hasan Al-Fatih Qaribullah
a caller to Allah by His permission and as a light shedding lamp
And as one who invites to Allah (Islamic Monotheism, i.e. to worship none but Allah (Alone)) by His Leave, and as a lamp spreading light (through your instructions from the Quran and the Sunnah the legal ways of the Prophet SAW )
As a source of light who calls to (the reality of) Allah with His permission!
Sayyed Abbas Sadr-Ameli
And as one inviting to Allah by His leave, and as a light-giving lamp
Al-muntakhab fi tafsir al-Qur'an al-Karim
And to present to them inducements helping them shake off falsehood and be attracted to Allah and by His permission conform to His system of faith and worship, and that you stand among them as a source of spiritual light from whom emanates illumination and enlightenment