Answer:
The correct word that fills the gap is safe.
Step-by-step explanation:
Consumer protection is a means that national and international laws grant to those who buy a merchandise (natural or legal persons) or use a service, so they can claim if they feel they have been deceived or harmed by sellers or service providers, attentive to the fact that consumers, who are the final recipients of what they have acquired, for themselves, their family or friends, have become holders of a recently recognized right, being considered as such, as a third generation.