old/application/language/en/profile_lang.php

<?php
    defined('BASEPATH') OR exit('No direct script access allowed');

    $lang['profile_social_networks'] = 'Social Networks';

    // Profile card
    $lang['profile_follow'] = 'Follow';
    $lang['profile_following'] = 'Following';
    $lang['profile_unfollow'] = 'Unfollow';

    $lang['profile_gender'] = 'Gender';
    $lang['profile_gender_male'] = 'Male';
    $lang['profile_gender_female'] = 'Female';
    $lang['profile_gender_other'] = 'Other';

    $lang['profile_country'] = 'Country';
    $lang['profile_language'] = 'Language';
    $lang['profile_user_rank'] = 'User rank';
    $lang['profile_rank'] = 'Rank';
    $lang['profile_account_age'] = 'Account age';
    $lang['profile_account_created'] = 'Account created %1$s';
    $lang['profile_birth_date'] = 'Birth date';
    $lang['profile_born'] = 'Born on';

    // Profile page header
    $lang['profile_contributions'] = 'Contributions';
    $lang['profile_posts'] = 'Posts';
    $lang['profile_blog_posts'] = 'Blog Posts';
    $lang['profile_blog_comments'] = 'Blog Comments';
    $lang['profile_followers'] = 'Followers';
    $lang['profile_followed_users'] = 'Following';
    $lang['profile_edit'] = 'Edit Profile';

    // Content
    $lang['profile_all_posts'] = 'All Posts';
    $lang['profile_view_posts'] = 'View all posts';
    $lang['profile_all_blog_posts'] = 'All Blog Posts';
    $lang['profile_view_blog_posts'] = 'view all blog posts';
    $lang['profile_all_blog_comments'] = 'All Blog Comments';
    $lang['profile_view_blog_comments'] = 'view all blog comments';
    $lang['profile_all_followers'] = 'All Followers';
    $lang['profile_all_followed'] = 'All Followed Users';

    // Feed
    $lang['feed_your_feed'] = 'Personal Feed';
    $lang['feed_popular'] = 'Popular';
    $lang['feed_top_users'] = 'Top Users';
    $lang['feed_trending_users'] = 'Trending Users';
    $lang['feed_your_profile'] = 'Your Profile';
    $lang['feed_search'] = 'Search';
    $lang['feed_search_all'] = 'Everything';
    $lang['feed_search_user'] = 'Users';
    $lang['feed_search_posts'] = 'Posts';
    $lang['feed_search_media'] = 'Media';

    $lang['post_reply_to'] = 'as a reply to';
    $lang['post_reply'] = 'Reply';
    $lang['post_no_replies'] = 'There are no replies to this post currently. How about you\'re becoming the first one to write a reply?';
    $lang['post_like'] = 'Like';
    $lang['post_like_account_missing'] = 'You have to be logged in to like posts. <a href="' . base_url('login') . '" class="alert-link">Create a new account for free now or sign in with an existing profile.</a>';
    $lang['post_copy_link'] = 'Copy Post Link';
    $lang['post_report'] = 'Report Post';
    $lang['post_delete'] = 'Delete Post';