It was his father who led him----this job
It was his father who led him----this job
Explanation
It was his father who led him to this job
یہ اس کے والد تھے جنہوں نے اسے اس کام تک پہنچایا
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"to" preposition is used here because they "identify a particular relationship between one person (father) and another(him)".
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ND17-1-2023