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this question to get clear view of the two definitions for example a person crossing the road, is it hazard or risk
The hazard is something that can cause probable damage, ill health, or harm to somebody or something else. In some contexts, “hazard” may even be regarded as the actual harm done or the effect of the hazard rather than the actual hazard itself.
The Risk on the contrary, is just a form of probability or chance that an individual will experience harm or unwanted health effects when exposed to a certain hazard. This includes instances where there may be loss of equipment or property.
An example of describing a risk is when you say that a person working in a hospital medical ward is ten times more likely to have PTB than someone who works at home online based. Risk can also be expressed as a number like when you say one out of ten nurses working in the ward is more likely to develop PTB given that he was not able to complete his vaccination against such a disease. In this sense, it is safe to say that a risk is the likelihood of getting a disease while a hazard is the likely consequence.