Final answer:
In current wording, the sentence means that the speaker never gave Fortunato any reason to doubt their good intentions, whether through words or actions.
Step-by-step explanation:
In current wording, the sentence can be understood as: I never gave Fortunato any reason to doubt my good intentions, either through my words or my actions. This means that the speaker made sure to show Fortunato that they were trustworthy and had good intentions towards him, both in what they said and what they did.