Who this person is what he/she has done why he/she is popular

Describe a popular person in your country.
You should say:

• 
  who this person is
  
• 
  what he/she has done
  
• 
  why he/she is popular
  

and explain how you feel about this person.
Notice that this is quite similar to an older cue card that asks you to describe a famous person. In fact, you could give pretty similar answers to each of these, but it’s important to treat each cue card individually.
This cue card is pretty open, by which I mean it gives you a lot of scope for choosing a person. The most important things are:

1. 
   The person must be popular (i.e. they cannot be hated by the majority of people)
   
2. 
   They must be from your country or popular in your country
   

That second point is interesting. The wording of the cue card is a little vague, so it could be interpreted as either a person from your country who is popular or someone from abroad who is popular in your country.
Remember to try and talk about each of the bullet points as well. You wouldn’t be punished for missing one, but it’s better to cover each of them.
1. VOCABULARY ABOUT PEOPLE’S PERSONALITIES
If you want to describe a popular person, you’ll probably talk a lot about their personality. Here are some useful adjectives:

• 
  kind
  
• 
  thoughtful
  
• 
  generous
  
• 
  philanthropic
  
• 
  talented
  
• 
  gifted
  
• 
  intelligent
  
• 
  creative
  
• 
  compassionate
  
• 
  charming
  

Notice that all of those have very positive connotations. If I were using negative words, it would probably mean that I was not talking about a very popular person. (Obviously, there are exceptions, but it’s something to think about.)
There’s some more vocabulary about personalities here.
2. VOCABULARY ABOUT PEOPLE’S ACCOMPLISHMENTS
You will of course need to talk about why someone became popular and that would probably involve explaining some of their life and career. For this, we can use other vocabulary:

• 
  He has inspired millions of people…
  
• 
  Her work has lifted thousands out of poverty…
  
• 
  His work has influenced countless others…
  
• 
  She has had a profound impact on the culture…
  
• 
  His leadership has been vital for the country…
  
• 
  Her career has been impressive but it is only just beginning…
  
• 
  He is famous for…
  

You get the idea. All of these can be altered in various ways to fit particular people and their unique accomplishments.
3. VOCABULARY ABOUT PEOPLE’S APPEARANCES
I generally don’t advise talking about appearances unless it’s necessary. In Western cultures, it can be considered a bit rude. However, many IELTS candidates seem to like talking about this, so I’ll mention some words and phrases that can be used:

• 
  athletic
  
• 
  muscular
  
• 
  stunning
  
• 
  powerfully built
  
• 
  beautiful
  
• 
  handsome
  
• 
  stocky
  
• 
  lanky
  
• 
  broad-shouldered
  

Try to keep it factual and appropriate. If you are talking about a talented person, it’s not really necessary to talk about their physical appearance unless they are a sportsperson, for example, or maybe a model.