How to use stopword elasticsearch

Elastic Stack Elasticsearch
1

i have a Elasticsearch 1.5 running on my server,

specifically i want/create three field with is 1.name field 2.description 3.nickname

i want setup stopword for decription and nickname field ,when i insert the data on the Elasticsearch then stop word automatically remove unwanted stopword. im trying so many time but not working.

curl -X POST http://127.0.0.1:9200/tryoindex/ -d'
{
"settings": {
"analysis": {
"filter": {
"custom_english_stemmer": {
"type": "stemmer",
"name": "english"
},
"snowball": {
"type" : "snowball",
"language" : "English"
}
},
"analyzer": {
"custom_lowercase_stemmed": {
"tokenizer": "standard",
"filter": [
"lowercase",
"custom_english_stemmer",
"snowball"
]
}
}
}
},
"mappings": {
"test": {
"_all" : {"enabled" : true},
"properties": {
"text": {
"type": "string",
"analyzer": "custom_lowercase_stemmed"
}
}
}
}
}'

curl -X POST "http://localhost:9200/tryoindex/nama/1" -d '{
"text" : "Tryolabs running monkeys KANGAROOS and jumping elephants jum is your"
}'

curl "http://localhost:9200/tryoindex/nama/_search?pretty=1" -d '{
"query": {
"query_string": {
"query": "Tryolabs running monkeys KANGAROOS and jumping elephants jum is your",
"fields": ["text"]
}
}
}'