What qualified position concerning propagators and non-propagators of non-disbelieving innovation does al-Nawawī favor?

Trustworthy Transmission, the Report of a Fāsiq, and Responsible Narration

• Accept every non-disbelieving innovator without differentiating advocacy
• Reject an advocate’s narration; a non-advocate may be accepted under the other conditions
• Reject both advocates and non-advocates without distinction
• Reject an advocate’s report only if the innovation amounts to disbelief