Introduction to Vocabulary - 4

Read the given passage and fill blank (iii).

Directions: Complete this passage by selecting the most suitable option for the corresponding gap.

The neighbourhood police officer in his shining cap and uniform has a very _____(i)______ job.   He helps the community by seeing that everybody _____(ii)____ the law. He takes extra care to protect the young and the old from bad people. He helps the traffic, _______(iii)______ catches thieves. Whenever there is any reason for you to be______(iv)______, you can call him to help you.