In spite of being perceived as ______ by all, the club members decided to ______ Arun, a skinny teenage with prominent ___________, as the member of the year, so that the whole affair would be __________ to Arun’s father who was recuperating after a serious illness.
The option that best fills the blanks in the above sentence would be:

Felon means a person who has committed a crime.
Felicitate means to congratulate.
Freckles means a small patch of light brown colour on the skin, often becoming more pronounced through exposure to the sun.
Febrile means having or showing the symptoms of a fever.
Feral means in a wild state, especially after escape from captivity or domestication
Feckless means lacking initiative or strength of character; irresponsible.
Facilitate means make (an action or process) easy or easier.
Felicific means relating to or promoting increased happiness.
Federate means form or be formed into a single centralized unit, within which each state or organization keeps some internal autonomy.

As per the context, 'feckless', 'felicitate', 'freckles', and 'felicific' should fill the blanks in that order.
Hence, option E is the correct answer.